tinba | 15ef78e8f056837326879680bdf4767a4f021e2afef9717253f403190e500dfc

Analysis

max time kernel
111s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/01/2025, 03:44

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General

Target

15ef78e8f056837326879680bdf4767a4f021e2afef9717253f403190e500dfc.exe
Size

34KB
MD5

042368d4c55f2e552874cf7813159d07
SHA1

e73aa3055b2ee4504ff4af064313e0b77cdc341e
SHA256

15ef78e8f056837326879680bdf4767a4f021e2afef9717253f403190e500dfc
SHA512

4a19ba4972f745f1ac3fdbcff98d25ebd5aff662ed887ebe445055c617bab95fefaf250a1c07a2128888bb0d38a788acacf0dcb14eb81cbaa8396b9293db232f
SSDEEP

768:qp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Jm:qpYoX58z1uirL98xMWnT0OQ9Jm

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\66B15F23 = "C:\\Users\\Admin\\AppData\\Roaming\\66B15F23\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3900-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2036	4872	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	15ef78e8f056837326879680bdf4767a4f021e2afef9717253f403190e500dfc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4872	winver.exe
4872	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4872	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3900 wrote to memory of 4872	3900	15ef78e8f056837326879680bdf4767a4f021e2afef9717253f403190e500dfc.exe	84
PID 3900 wrote to memory of 4872	3900	15ef78e8f056837326879680bdf4767a4f021e2afef9717253f403190e500dfc.exe	84
PID 3900 wrote to memory of 4872	3900	15ef78e8f056837326879680bdf4767a4f021e2afef9717253f403190e500dfc.exe	84
PID 3900 wrote to memory of 4872	3900	15ef78e8f056837326879680bdf4767a4f021e2afef9717253f403190e500dfc.exe	84
PID 4872 wrote to memory of 3432	4872	winver.exe	56
PID 4872 wrote to memory of 2652	4872	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\15ef78e8f056837326879680bdf4767a4f021e2afef9717253f403190e500dfc.exe
  "C:\Users\Admin\AppData\Local\Temp\15ef78e8f056837326879680bdf4767a4f021e2afef9717253f403190e500dfc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3900
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4872
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 356
      4⤵
      Program crash
      PID:2036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4872 -ip 4872
1⤵
PID:2292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2652-15-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x00007FFA1DA0D000-0x00007FFA1DA0E000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/3900-10-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3900-4-0x0000000002420000-0x0000000002E20000-memory.dmp

Filesize
10.0MB

Download
memory/3900-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3900-11-0x0000000002420000-0x0000000002E20000-memory.dmp

Filesize
10.0MB

Download
memory/3900-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/4872-6-0x0000000077122000-0x0000000077123000-memory.dmp

Filesize
4KB

Download
memory/4872-5-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/4872-8-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

Filesize
2.0MB

Download
memory/4872-16-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download